Recover Vmfs Datastore |top| «Free Forever»

Post-mortem? They automated LUN binding policies, restricted SAN reconfiguration rights, and made the intern write a 10-page essay on SCSI device IDs.

Step 3: Deeper scan. She ran vmfs6-recover (part of vmfs-tools ). It parsed backup VMFS metadata—the first copy of the file system descriptor had been overwritten when the host re-scanned the "new" LUN, but VMware stores a second copy at offset 512 MB. recover vmfs datastore

The command returned: Superblock updated. Checking file system... Post-mortem

Step 4: She used dd to copy that backup block over the primary superblock (after making a full LUN image with ddrescue to a separate 12-TB drive—insurance). # dd if=/dev/sde1 bs=1M skip=512 count=1 of=primary_superblock_backup.bin Then, using vimfstools (from a recovered ESXi maintenance mode session): # vmkfstools -B recover /vmfs/devices/disks/naa.6000...:1 She ran vmfs6-recover (part of vmfs-tools )

Success: Found backup VMFS6 superblock at 0x20000000 .